Lambo 235 4" x 3" Round Bath Fan Duct Plastic Vent Adapter

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Lambro 4" x 3" Round Plastic Vent Adapter 

235

533828

The Lambro 3 inch to 4 inch plastic duct connector is ideal for bath fan exhaust installations. Used to increase the duct diameter size from the bath fan 3 inch exhaust port to the 4 inch duct going to the outside. The polypropylene material resists moisture to remain corrosion-free.

• Increase bathroom fan exhaust venting diameter from 3-inch to 4-inch
• Not to be used in clothes dryer installations
• Made of polymer resin material
• Uses Installation clamps or tie straps (not included)
• Easy to use
• Ready to use